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Differential D143161 Diff 500797 libcxx/include/__type_traits/is_execution_policy.h

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//===----------------------------------------------------------------------===//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//===----------------------------------------------------------------------===//

#ifndef _LIBCPP___TYPE_TRAITS_IS_EQUAILITY_COMPARABLE_H

#define _LIBCPP___TYPE_TRAITS_IS_EQUAILITY_COMPARABLE_H

#include <__config>

#include <__type_traits/remove_cvref.h>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)

# pragma GCC system_header

#endif

_LIBCPP_BEGIN_NAMESPACE_STD

template <class>

inline constexpr bool is_execution_policy_v = false;

template <class>

inline constexpr bool __is_unsequenced_execution_policy_impl = false;

template <class _Tp>

inline constexpr bool __is_unsequenced_execution_policy_v = __is_unsequenced_execution_policy_impl<remove_cvref_t<_Tp>>;

template <class>

inline constexpr bool __is_parallel_execution_policy_impl = false;

template <class _Tp>

inline constexpr bool __is_parallel_execution_policy_v = __is_parallel_execution_policy_impl<remove_cvref_t<_Tp>>;

template <class _ExecutionPolicy>

auto&& __remove_parallel_policy(_ExecutionPolicy&&);

_LIBCPP_END_NAMESPACE_STD

ldionneUnsubmitted

Done

inline constexpr bool __is_parallel_execution_policy_v = __is_parallel_execution_policy_impl<remove_cvref_t<_Tp>>;

+ // Removes the "parallel" part of an execution policy.

+ // For example, turns par_unseq into unseq, and par into seq.

template <class _ExecutionPolicy>

auto&& __remove_parallel_policy(_ExecutionPolicy&&);

_LIBCPP_END_NAMESPACE_STD

Let's return auto const& instead, this is kinda confusing for no benefit.

ldionne: Let's return `auto const&` instead, this is kinda confusing for no benefit.

#endif // _LIBCPP___TYPE_TRAITS_IS_EQUAILITY_COMPARABLE_H